Options for multiple choice are: 1- the population is stated to be not skewed, 2- The sample size is larger than 30

Jump to level 1 An auto maker is interested in information about how long transmissions last. A sample of transmissions are run constantly and the number of miles before the transmission fails is recorded. The auto maker claims that the transmissions can run constantly for over 150,000 miles before failure The results of the sample are given below. Miles (10005 of miles) Mean 151.2 Variance 17.22 Observations 44 Hypothesized Mean 150 df 43 t Stat 1.889 P(T<:5 e="Ex:l.2" degrees of freedom ex: s="Ex:">